Monolithic Concrete Slab: $13,000 Stem Wall Concrete Slab: $14,000 (requires more labor, excavation and material) Pier and Beam/Crawl Space: $21,000 Pier and beam foundations are uncommon and ...

Rather than building concrete-block "stem walls" atop trenches filled with reinforced concrete to support the 4-inch-thick slab (as is typically done locally today), at Florida House trenches were ...